<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录</title>
    <meta c>
  <style>
    div{
      width: 300px;height: 100px;
      display: flex;
      flex-direction: row;
      align-items: center;
      align-content: center;
      justify-content: center;
      margin: auto;
    }
  </style>
</head>
<body>
<div>
    <form action="/common/login" method="post">
      <label>账号：</label> <input name="username" type="text"><br>
      <label>密码：</label> <input name="password" type="password"><br>
      <button type="submit">登陆</button>
    </form>
</div>
</body>
</html>
